<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>marker popup</title>
  <style>
    .markerWindow{
      width: 200px;
      height: 60px;
      background-color: #000000;
      font-size: 30px;
      color: #ffffff;
      font-weight: bold;
      padding: 10px;
      font-size: 24px;
      box-sizing: border-box;
    }
  </style>
</head>
<body>
  <div class="markerWindow">
    marker 弹窗
  </div>
</body>
</html>